you know, when people come together like that in the community and put their -- pool their money together, you know, and reach out a little bit in the community, it's a good thing. >> reporter: last year, the men also raised money to pay for the city's fourth of july fireworks. that night, they got to admire their work. >> as we're walking, ken says to me, he goes, dude, do you believe we've done this? and i said, you know something? we have. that was actually the best feeling i think i've ever had my whole life. >> nbc bay area news. still ahead here at 6:00, sunscreen, swim suits and snow. we'll take you to the sierra for a very unusual fourth of july on the slopes. also ahead, one size might not fit all. the new research leading to calls for changes in mammograms. plus, why google put the brakes on its realtime searches. and good evening. i'm chief meteorologist jeff ranieri.